The clock controller within the TC9564 SoC is accessed via a PCI endpoint bus through BAR 4 of the first embedded PCIe function. A syscon node is created to provide access to a range of memory that is used by the clock controller and shared with other devices.
Co-developed-by: Daniel Thompson <[email protected]> Signed-off-by: Daniel Thompson <[email protected]> Signed-off-by: Alex Elder <[email protected]> --- v3: - What was formerly described as a "clock" node is now "clock-controller" - Label for the 25 MHz input clock is added (new in this version) - The clock-controller node is now a sub-device of the config syscon - The config syscon is now (also) compatible with "simple-mfd" - The clock-controller DTS node no longer defines a toshiba,config-syscon property, and the config syscon no longer requires a label - The clock-controller now requires a (parent) clock property, which refers to the new 25 MHz clock arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts index b8d290eed2f38..e7601daf1bc5a 100644 --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts @@ -9,6 +9,7 @@ #define PM7250B_SID 8 #define PM7250B_SID1 9 +#include <dt-bindings/clock/toshiba,tc9564.h> #include <dt-bindings/iio/qcom,spmi-adc7-pmk8350.h> #include <dt-bindings/iio/qcom,spmi-adc7-pm7325.h> #include <dt-bindings/leds/common.h> @@ -891,7 +892,7 @@ pcie@0,0 { pinctrl-0 = <&tc9563_resx_n>; pinctrl-names = "default"; - clock-25000000 { + tc9564_xo_board: clock-25000000 { compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <25000000>; @@ -967,7 +968,7 @@ dev@0,0 { #size-cells = <2>; ranges; /* This will be updated dynamically */ - pci-ep-bus@4 { + pcie_s1b5d0f0_bar4_bus: pci-ep-bus@4 { compatible = "simple-bus"; #address-cells = <1>; #size-cells = <1>; @@ -995,6 +996,19 @@ pci-ep-bus@4 { }; }; +&pcie_s1b5d0f0_bar4_bus { + syscon@0 { + compatible = "syscon", "simple-mfd"; + reg = <0x0 0x2000>; + + tc9564_clock0: clock-controller { + compatible = "toshiba,tc9564-clock"; + clocks = <&tc9564_xo_board>; + #clock-cells = <1>; + }; + }; +}; + &pm7325_gpios { kypd_vol_up_n: kypd-vol-up-n-state { pins = "gpio6"; -- 2.53.0
